Home / 297,169,307.24-445,753,366.86-78,841,533.56

Finding the Fourth Proportional to 297,169,307.24, 445,753,366.86 and 78,841,533.56

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Solution

The fourth proportional to 297,169,307.24, 445,753,366.86 and 78,841,533.56 is: 118,262,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,169,307.24 : 445,753,366.86 = 78,841,533.56 : x
  2. Step 2: Convert to fraction form
    297,169,307.24/445,753,366.86 = 78,841,533.56/x
  3. Step 3: Cross multiply
    297,169,307.24x = 445,753,366.86 × 78,841,533.56
  4. Step 4: Simplify right side
    297,169,307.24x = 35,143,879,032,775,684
  5. Step 5: Solve for x
    x = 35,143,879,032,775,684/297,169,307.24
  6. Step 6: Final answer
    x = 118,262,142.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.